參數(shù)資料
型號(hào): MAX5876EGK+TD
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 18/19頁(yè)
文件大?。?/td> 0K
描述: IC DAC 12BIT DUAL 250MSPS 68-QFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
設(shè)置時(shí)間: 14ns
位數(shù): 12
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
功率耗散(最大): 331mW
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 68-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 68-QFN 裸露焊盤(pán)(10x10)
包裝: 帶卷 (TR)
輸出數(shù)目和類(lèi)型: 4 電流,單極
采樣率(每秒): 250M
MAX5876
12-Bit, 250Msps, High-Dynamic-Performance,
Dual DAC with LVDS Inputs
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(AVDD3.3 = DVDD3.3 = AVCLK = +3.3V, AVDD1.8 = DVDD1.8 = +1.8V, external reference, VREFIO = +1.25V, RL = 50
double-terminated,
IOUTFS = 20mA, TA = +25°C, unless otherwise noted.)
POWER DISSIPATION vs. DAC UPDATE
RATE (fOUT = 10MHz)
MAX5876
toc13
fDAC (Msps)
POWER
DISSIPATION
(mW)
200
250
150
100
50
180
200
220
260
240
280
160
0
AOUT = 0dBFS
POWER DISSIPATION vs. SUPPLY VOLTAGE
(fDAC = 100Msps, fOUT = 10MHz)
MAX5876
toc14
SUPPLY VOLTAGE (V)
POWER
DISSIPATION
(mW)
3.465
3.300
185
195
200
180
3.135
190
AOUT = 0dBFS
INTERNAL REFERENCE
EXTERNAL REFERENCE
4-TONE POWER RATIO PLOT
(fDAC = 150MHz)
MAX5876
toc15
fOUT (MHz)
OUTPUT
POWER
(dBFS)
36
34
32
30
28
-80
-60
-40
-20
0
-100
26
38
BW = 12MHz
fT1
fT2 fT3
fT4
fT1 = 29.6997MHz
fT2 = 30.7251MHz
fT3 = 31.6040MHz
fT4 = 32.4829MHz
ACLR FOR WCDMA MODULATION,
SINGLE-CARRIER ACLR
MAX5876
toc16
9.216MHz/div
ANALOG
OUTPUT
POWER
(dBm)
-100
-90
-80
-70
-60
-50
-40
-30
-20
92.16MHz
1MHz
-110
fDAC = 184.32Mbps
fCARRIER = 30.72MHz
ACLR = +77dB
ACLR FOR WCDMA MODULATION
TWO-CARRIER ACLR
MAX5876
toc17
3.05MHz/div
ANALOG
OUTPUT
POWER
(dBm)
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-120
fDAC = 245.76Msps
fCENTER = 30.72MHz
ACLR = +74dB
ACLR FOR WCDMA MODULATION,
TWO-CARRIER ACLR
MAX5876
toc18
3.05MHz/div
ANALOG
OUTPUT
POWER
(dBm)
-120
-110
-100
-90
-80
-70
-60
-50
-30
-40
fDAC = 184.32Msps
fCENTER = 30.72MHz
ACLR = +73dB
WCDMA BASEBAND ACLR
(fDAC = 245.76Msps)
MAX5876
toc19
NUMBER OF CHANNELS
ACLR
(dB)
4
3
2
1
74
75
77
79
81
73
81.4
79.8
78.2
77.1 77.3
ALTERNATE
ADJACENT
76
78
80
79.5
78.0
75.8 75.8
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參數(shù)描述
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